222298960 has 160 divisors (see below), whose sum is σ = 587774880. Its totient is φ = 77635584.

The previous prime is 222298931. The next prime is 222298963. The reversal of 222298960 is 69892222.

It can be written as a sum of positive squares in 16 ways, for example, as 10188864 + 212110096 = 3192^2 + 14564^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222298963) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2039386 + ... + 2039494.

It is an arithmetic number, because the mean of its divisors is an integer number (3673593).

Almost surely, 2^222298960 is an apocalyptic number.

222298960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222298960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293887440).

222298960 is an abundant number, since it is smaller than the sum of its proper divisors (365475920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222298960 is a wasteful number, since it uses less digits than its factorization.

222298960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225 (or 219 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 222298960 is about 14909.6934911486. The cubic root of 222298960 is about 605.7765771517.

The spelling of 222298960 in words is "two hundred twenty-two million, two hundred ninety-eight thousand, nine hundred sixty".